Salvatore Ferragamo Sunglasses. Color code: 001. Color: Black. Shape: Butterfly. Lens Width: 58 mm. Lens Bridge: 17 mm. Arm Length: 130 mm. Frame Material: Acetate. Frame Color: Black. Lenses Type: Grey Gradient. Rim Style: Full-Rim. UPC/EAN code: 883121985834. Salvatore Ferragamo Grey Gradient Butterfly Sunglasses SF722S 001 58.